2021 MINI Convertible 1.5 Cooper Classic

Overview

• Make: MINI
• Model: Convertible
• Trim: Cooper Classic
• Version: 1.5 Cooper Classic Steptronic FWD Euro 6 (s/s) 2dr (134 bhp)
• Year: 2021
• Mileage: 34,737 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 1.5 litres, 134 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 136 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 34,737 miles on the clock, this 2021 MINI Convertible Cooper Classic has done roughly 6,800 more miles than a typical 2021 MINI Convertible. The AskCar estimate for this car is £14,706. It is priced at £14,100, which is £606 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,052 MINI Convertible adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. The seller is Car Planet Barnet, based in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £606 (4%) under the AskCar estimate of £14,706.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,052 priced MINI Convertible adverts across different ages and specifications, as of 10 November 2026.

A 2021 MINI Convertible with the 1.5 petrol engine is typically advertised at £16,000: the median of the 35 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 MINI Convertible advertised today. About half of 2021 MINI Convertible cars are gone from sale within a month of being advertised: 56 of the 109 first advertised between 13 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £14,100. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 10 June 2027.

It has had 3 MOTs. The latest, on 27 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 32,429 miles, which matches the advertised 34,737 miles.

Advertised mileage is about 6,800 miles higher than the median mileage of a 2021 MINI Convertible on AskCar.

Similar cars

2 other 2021 MINI Convertible Cooper Classic 1.5 petrol automatic convertibles are for sale at UK dealers, from £15,495 to £16,750, as of 10 November 2026.

The 2 closest to this car in mileage:

• 2021 MINI Convertible Cooper Classic, 1.5 petrol convertible, red. Mileage: 18,852 miles. Price: £16,750, £2,650 more than this car. Dealer: Sytner Leicester MINI in Leicester. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-14616256bdfb
• 2021 MINI Convertible Cooper Classic, 1.5 petrol convertible, green. Mileage: 17,800 miles. Price: £15,495, £1,395 more than this car. Dealer: Wimbledon Carriage Company in East Horsley. AskCar page: https://askcar.co.uk/car/mini-convertible-2021-10d6f7536017